Pith Number

pith:QFYTWPLD

pith:2015:QFYTWPLDKIASAQB6IMFIQSOZFG

not attested not anchored not stored refs pending

An example of PET. Computation of the Hausdorff dimension of the aperiodic set

Jean-Fran\c{c}ois Bertazzon, Nicolas B\'edaride

arxiv:1512.01632 v2 · 2015-12-05 · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFYTWPLDKIASAQB6IMFIQSOZFG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:07:19.094188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81713b3d63520120403e430a8849d929b8ffbb072c09bab577bb520555c67a82

Aliases

arxiv: 1512.01632 · arxiv_version: 1512.01632v2 · doi: 10.48550/arxiv.1512.01632 · pith_short_12: QFYTWPLDKIAS · pith_short_16: QFYTWPLDKIASAQB6 · pith_short_8: QFYTWPLD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QFYTWPLDKIASAQB6IMFIQSOZFG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 81713b3d63520120403e430a8849d929b8ffbb072c09bab577bb520555c67a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "198f6c4bd996655c32fac78c094e7f61f4142e316e73a55a3652a5f34da94866",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-12-05T07:04:54Z",
    "title_canon_sha256": "3e1f0db5f8683afc4447dd5594950abc58d10b5c21575487b1258fbb7f4dc9e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01632",
    "kind": "arxiv",
    "version": 2
  }
}